Surf Forecasts:
Kennebunk Beach surf forecast from 8 Sep 2026:
- Most powerful swell: Thursday 10 Sep, 5AM (local time) - 5ft (1.5m), 6s period, S swell with 154 kJ wave energy.
Best Forecast Surf Conditions for Kennebunk Beach this week:
The most powerful waves expected at Kennebunk Beach in the next 16 days are 1.5m 6s and forecast to arrive on Thursday (Sep 10) at 5AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.5m 6s period and expected on Thursday (Sep 10) at 8AM.
| Wave Type | Time (EDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 5AM (Thu 10th Sep) | 5ft (1.5m) 6s |
Table - best surf conditions forecast for Kennebunk Beach over the next 16 days.
The Lowdown
Alright, let’s get into it. Rusty here, looking at the stretch ahead for Kennebunk Beach.
Honestly, this 16-day window is a tough one for Kennebunk Beach. Things get off to a quiet start and stay frustratingly small for a long stretch. The first real pulse of energy doesn’t show up until Tuesday, September 15th, with a modest bump in swell. Before that, we’re dealing with ankle-to-knee high dribble and mostly poor conditions. Wednesday the 9th and Thursday the 10th offer next to nothing, and the whole first week is a write-off unless you’re just keen on a paddle. The water temp is about average for this time of year, nothing unusual there.
The one moment that stands out is Tuesday morning, September 15th. The swell picks up to about 5ft from the east. The combined energy reads moderate at 200. That’s the biggest push we see. Winds turn light from the east, glassy in the morning and cross-offshore, so the surface stays clean. Now, the swell period is short, around 6 seconds, so it won’t be super lined up, and Kennebunk is a sheltered beach break, so the east swell angles in okay. It’s not a classic, but it's the only time the waves have any real push. For intermediates, that’s probably the pick of the fortnight. Tuesday afternoon drops off to about 4ft but is still surfable, just ordinary.
After that, it’s back to small stuff. Wednesday the 16th through the weekend fades out. There’s a bit of cleaner surf on Saturday morning, September 19th, with offshore wind from the northeast, but the swell is only 3ft from the south with a short period, so weak.
Don’t get too excited about the long range either. The following week offers a few pulses in the 3ft to 4ft range, but winds are mostly cross-onshore or onshore, pushing the conditions into choppy territory. Nothing worth circling on the calendar.
So what’s the call? The morning of Tuesday, September 15th is your best bet. It’s not a world-beater, but it’s the only day with some size and clean conditions. Otherwise, this is a stretch of patience for Kennebunk Beach.
Rusty.
Short Range ForecastLight rain (total 3mm), mostly falling on Wed night. Warm (max 30°C on Thu afternoon, min 15°C on Tue night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Warm (max 26°C on Sun afternoon, min 13°C on Fri morning). Wind will be generally light. | ||||||||||||||||||
Tuesday 8 | Wednesday 9 | Thursday 10 | Friday 11 | Saturday 12 | Sunday 13 | ||||||||||||||
Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||
Wave Height (m) Direction Period (s) | E 9 | E 9 | E 9 | E 9 | E 9 | SSE 4 | S 6 | E 8 | SE 9 | SSE 6 | SE 10 | SE 10 | SSE 6 | ESE 10 | SE 10 | SE 10 | SE 10 | SSE 5 | S 5 |
Wave Graph  | |||||||||||||||||||
 kJ | 6 | 7 | 6 | 6 | 6 | 28 | 139 | 1 | 14 | 43 | 15 | 15 | 5 | 9 | 15 | 17 | 35 | 56 | 40 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | glassy | cross | off | cross | cross | on | cross-on | cross-on | cross-on | cross | cross | cross-off | cross-off | cross | on | on | cross-on | cross-off |
High Tide | 8:39PM2.99m | 9:26AM2.65m | 9:42PM3.06m | 10:22AM2.80m | 10:39PM3.11m | 11:13AM2.93m | 11:31PM3.12m | 12:00PM3.01m | 00:20AM3.07m | 12:43PM3.04m | 1:05AM2.98m | 1:24PM3.02m | 1:50AM2.85m | ||||||
Low Tide | 3:09AM-0.02m | 3:20PM0.18m | 4:06AM-0.11m | 4:19PM0.05m | 4:58AM-0.18m | 5:13PM-0.05m | 5:45AM-0.19m | 6:03PM-0.10m | 6:28AM-0.15m | 6:50PM-0.10m | 7:10AM-0.05m | 7:35PM-0.06m | |||||||
 |  |  |  | | |  |  | | | | | | | | | | | | |
 | — | 6:13 | — | — | 6:13 | — | — | 6:15 | — | — | 6:16 | — | — | 6:16 | — | — | 6:18 | — | — |
 | 7:07 | — | 7:05 | — | — | 7:02 | — | — | 7:01 | — | — | 7:00 | — | — | 6:58 | — | — | 6:55 | — |
mm | — | — | — | — | — | — | 3 | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 23 | 19 | 22 | 19 | 18 | 18 | 21 | 27 | 30 | 24 | 17 | 23 | 19 | 17 | 18 | 18 | 23 | 26 | 26 |
Feels °C | 21 | 18 | 21 | 18 | 17 | 17 | 20 | 26 | 26 | 20 | 13 | 19 | 16 | 14 | 16 | 17 | 22 | 25 | 27 |
Swell 1 Height (m) Direction Period (s) | E 9 | E 9 | E 9 | S 3 | ENE 3 | SE 10 | SE 10 | E 8 | S 7 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SE 10 | SE 10 | SE 10 | SE 10 | SSE 5 |
| kJ | 6 | 7 | 6 | 1 | 2 | 16 | 15 | 1 | 70 | 43 | 8 | 8 | 4 | 4 | 15 | 16 | 35 | 33 | 33 |
Swell 2 Height (m) Direction Period (s) | SE 8 | SE 8 | SE 9 | E 9 | SE 10 | ENE 4 | E 8 | — | SE 9 | SE 10 | SE 10 | SE 10 | SE 9 | ESE 10 | — | — | — | — | SE 9 |
| kJ | 3 | 3 | 3 | 6 | 4 | 1 | 1 | — | 14 | 14 | 15 | 15 | 3 | 9 | — | — | — | — | 29 |
Swell 3 Height (m) Direction Period (s) | — | — | — | SE 9 | E 9 | E 8 | — | — | E 8 | — | S 9 | — | SE 11 | — | — | — | — | — | — |
| kJ | — | — | — | 3 | 6 | 1 | — | — | 1 | — | 2 | — | 5 | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WNW 2 | — | — | — | SSE 2 | SSE 4 | S 6 | S 7 | W 3 | WNW 3 | WNW 3 | — | — | — | SSE 6 | S 4 | S 4 | SSE 5 | S 5 |
| kJ | 1 | — | — | — | 1 | 28 | 139 | 144 | 3 | 4 | 4 | — | — | — | 7 | 17 | 21 | 56 | 40 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 462 | 462 | 585 | 864 | 919 | 873 | 1342 | 45 | 506 | 209 | 231 | 286 | 296 | 590 | 585 | 657 | 546 | 45 | 11 |
Best forecast wave conditions in Maine | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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Information about the Kennebunk Beach Surf forecast
The above surf forecast table for Kennebunk Beach provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Kennebunk Beach can be found by selecting the local surf guide option on the grey menu. Our Kennebunk Beach surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Kennebunk Beach) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Kennebunk Beach may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
Kennebunk Beach is 17 km (11 miles) from Biddeford. If you plan a vacation in Maine, look for hotels and other accommodation in Biddeford. Biddeford has rooms for a wide range of budgets as well as car hire and transport links.
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